No longer use custom plot_directive - instead require Matplotlib 1.4+
No longer use custom plot_directive - instead require Matplotlib 1.4+

mhvk/astropy,StuartLittlefair/astropy,larrybradley/astropy,stargaser/astropy,astropy/astropy,lpsinger/astropy,saimn/astropy,kelle/astropy,lpsinger/astropy,pllim/astropy,bsipocz/astropy,saimn/astropy,pllim/astropy,dhomeier/astropy,stargaser/astropy,tbabej/astropy,StuartLittlefair/astropy,DougBurke/astropy,kelle/astropy,saimn/astropy,saimn/astropy,dhomeier/astropy,bsipocz/astropy,joergdietrich/astropy,tbabej/astropy,joergdietrich/astropy,stargaser/astropy,DougBurke/astropy,pllim/astropy,AustereCuriosity/astropy,astropy/astropy,dhomeier/astropy,lpsinger/astropy,mhvk/astropy,funbaker/astropy,pllim/astropy,bsipocz/astropy,funbaker/astropy,astropy/astropy,DougBurke/astropy,AustereCuriosity/astropy,dhomeier/astropy,kelle/astropy,joergdietrich/astropy,MSeifert04/astropy,astropy/astropy,lpsinger/astropy,StuartLittlefair/astropy,kelle/astropy,MSeifert04/astropy,pllim/astropy,astropy/astropy,joergdietrich/astropy,aleksandr-bakanov/astropy,mhvk/astropy,bsipocz/astropy,larrybradley/astropy,StuartLittlefair/astropy,tbabej/astropy,saimn/astropy,AustereCuriosity/astropy,aleksandr-bakanov/astropy,StuartLittlefair/astropy,aleksandr-bakanov/astropy,tbabej/astropy,mhvk/astropy,larrybradley/astropy,tbabej/astropy,kelle/astropy,stargaser/astropy,mhvk/astropy,DougBurke/astropy,funbaker/astropy,AustereCuriosity/astropy,MSeifert04/astropy,aleksandr-bakanov/astropy,larrybradley/astropy,larrybradley/astropy,funbaker/astropy,lpsinger/astropy,MSeifert04/astropy,AustereCuriosity/astropy,dhomeier/astropy,joergdietrich/astropy